external image 4084631216_bfa30192e3.jpgNasty chemicals from abandoned mines in Colorado can be hazardous to the health of the Colorado River. Many old mines leak chemicals into the river. As a result of natural water cycle processes the Colorado River is being polluted. Use the resources below to collect information about how these old abandoned mines are now polluting our river. Be sure to discuss what water cycle process are coming into play here.

CU - Contaminated Water
Leadville Water Contamination
Denver Post - Old Mine Contamination